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Master's Dissertation
DOI
10.11606/D.54.1986.tde-11022015-161405
Document
Author
Full name
Jayme Vicente de Luca Filho
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1986
Supervisor
Committee
Ioriatti Júnior, Lidério Citrângulo (President)
Silva Filho, Roberto Leal Lobo e
Silva, Cylon Eudóxio Tricot Goncalves da
Title in Portuguese
Plasmons em camadas de inversão com modulação espacial de carga
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Nesse trabalho, nós reinterpretamos resultados experimentais sobre plasmons em camada de inversão com densidade eletrônica modulada. Expandindo a função resposta em R.P.A. obtivemos uma equação clássica para os plasmons e um método variacional que gera essa equação. Estudamos o aparecimento de plasmons localizados em um gás de elétrons com densidade modulada e mostramos que existe uma modulação crítica para o aparecimento de plasmons localizados. Nós também calculamos o damping de Landau de um plasmon localizado. Os resultados obtidos concordam com os resultados experimentais
Title in English
Not available
Keywords in English
Not available
Abstract in English
A new interpretation to recent experimental results on two dimensional plasmons in laterally microstructured space charge layers is proposed. A classical equation for the plasma oscillation in R.P.A. and a variation method for this equation are proposed. Localized plasmons in these systems were studied. In particular it is shown that there is a critical value of the modulation for the appearance of localized plasmons. The Landau damping for these modes was also calculated. The theoretical results agree with the existing experimental data
 
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Publishing Date
2015-02-12
 
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